Two recent systematic reviews were published on this important topic. The review by Lafranca and colleagues entitled “Body mass index and outcome in renal transplant recipients: a systematic review and meta-analysis”(BMC Medicine 2015;13(1):111) included 56 studies. The authors concluded that “Several of the pooled outcome measurements show significant benefits for ‘low’ BMI (<30) recipients. Therefore, we postulate that ESRD patients with a BMI >30 preferably should lose weight prior to RT”. The review by Hill and colleagues entitled “Recipient obesity and outcomes after kidney transplantation: a systematic review and meta-analysis” (Nephrol Dial Transplant 2015;30(8):1403-11) included 17 studies. They concluded that “Despite having a much higher likelihood of DGF, obese transplant recipients have only a slightly increased risk of graft loss and experience similar survival to recipients with normal BMI”. Both authors have left commentaries in the Transplant Library (http://www.transplantlibrary.com/article/26044837).
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